
import java.io.*;
import java.util.*;
public class OrderDetail {
    public OrderDetail() {
    }
    private int quantity;
    public double calculateSubTotal() {
        // TODO implement here
        return 0.0d;
    }
    public double calculateWeight() {
        // TODO implement here
        return 0.0d;
    }
    public class Order {
        public Order() {
        }
        private Date createDate;
        private OrderStatus status;
        public Date getCreateDate() {
            // TODO implement here
            return null;
        }
        public OrderStatus getStatus() {
            // TODO implement here
            return null;
        }

    }

}